Process tube strip



FIG. 1 is a perspective view of a process tube strip;

FIG. 2 is a side plan view of the process tube strip;

FIG. 3 is a top plan view of the process tube strip;

FIG. 4 is a bottom plan view of the process tube strip;

FIG. 5 is an end plan view of the process tube strip; and,

FIG. 6 is a cross-sectional view of a process tube in the process tube strip taken along line 6 in FIG. 3. 

CLAIM The ornamental design for a process tube strip, substantially as shown and described herein. 